standard
Chunked event-stream transport carrying the content_block_delta and message-level protocol events the middleware coalesces.
No evidence-backed relationships are recorded.
A dev.to writeup makes a point worth stealing: the secret leaves your machine in a prompt, not a commit. The proposed fix is a local proxy that masks values before egress.
Reality
HTTP+SSE, the two-endpoint transport from the 2024-11-05 revision, is deprecated and eligible for removal. Tutorials ranking today still teach it.
Reality
One developer traced an hour-long Claude Code stall to 855 KB of streaming events for a single response. The tell was that output arrived late and in order, not missing.
Reality
A coalescing middleware in claude-code-router merged streaming deltas back into chunks, unblocking control messages that had queued behind six thousand of them.
Reality